Answer:
To the tenth = 2.8
Step-by-step explanation:
x*(x+5) = 22
2.8 * (2.8 + 5) = about 22
Answer:5
Step-by-step explanation:
If you look at the question in reverse you can backtrack your way through. Take 10 and instead of dividing, multiply it by 10, which is 60, add 6 instead of subtracting, which is 66, divide by 6 instead of multiplying, which is 11 and finally subtract 6 instead of adding, which is 5. Use five and try the question over to make sure you calculated correct.
Answer:
5a²+22a+8
Step-by-step explanation:
(5a×a)+(5a×4)+(2×a)+(2×4)
=5a²+20a+2a+8
=5a²+22a+8
